YSI 600XL Multiparameter Water Quality Sonde Water Level Indicators included with the Vis 350

included with the Vis 350 are 2 batteries for extended use in the field when AC power is not available

leak detection

air flow (straight pitot)

EPA-accepted for low-flow sampling

crush-proof

YSI 600XL Multiparameter Water Quality Sonde Water Level Indicators included with the Vis 350Both the YSI 600XL (sampling) and the YSI 600 XLM (logging) are economical solutions in small packages for surface water and groundwater applications. Both easily fit into 2 inch wells and measure a range of fundamental parameters, including oxygen with the YSI Rapid Pulse stirring independent dissolved oxygen sensor and level, using a highly accurate vented sensor.